87660080

素因数分解:

$2^4\times 5^1\times {\mathrm{1095751}}^1$

素因数の和:1095764

約数の個数: 20

約数和(自身を含む): 203809872

約数和(自身を除く): 116149792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1095751, 2191502, 4383004, 5478755, 8766008, 10957510, 17532016, 21915020, 43830040, 87660080]

約数ペア:

[(1, 87660080), (2, 43830040), (4, 21915020), (5, 17532016), (8, 10957510), (10, 8766008), (16, 5478755), (20, 4383004), (40, 2191502), (80, 1095751)]